Base | Representation |
---|---|
bin | 100101100010000100… |
… | …010110001010111101 |
3 | 10212000120120201220020 |
4 | 211202010112022331 |
5 | 1130013300342341 |
6 | 30302533042353 |
7 | 2624446311000 |
oct | 454204261275 |
9 | 125016521806 |
10 | 40300012221 |
11 | 16100340727 |
12 | 79884863b9 |
13 | 3a53285aa1 |
14 | 1d44385537 |
15 | 10acee9566 |
hex | 9621162bd |
40300012221 has 16 divisors (see below), whose sum is σ = 62662800000. Its totient is φ = 23028577824.
The previous prime is 40300012177. The next prime is 40300012231. The reversal of 40300012221 is 12221000304.
It is not a de Polignac number, because 40300012221 - 213 = 40300004029 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 40300012221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40300012231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19581096 + ... + 19583153.
It is an arithmetic number, because the mean of its divisors is an integer number (3916425000).
Almost surely, 240300012221 is an apocalyptic number.
It is an amenable number.
40300012221 is a deficient number, since it is larger than the sum of its proper divisors (22362787779).
40300012221 is an equidigital number, since it uses as much as digits as its factorization.
40300012221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39164273 (or 39164259 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 40300012221 its reverse (12221000304), we get a palindrome (52521012525).
The spelling of 40300012221 in words is "forty billion, three hundred million, twelve thousand, two hundred twenty-one".
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